How does buy now, pay later (BNPL) work, and how does it compare to credit cards?
BNPL splits a purchase into a short installment schedule — typically four equal payments over six weeks, interest-free if you pay on time. Unlike credit cards, it's not revolving credit: each loan is a discrete, closed-end transaction. The convenience is real, but the dispute protections and credit-bureau reporting are weaker and less consistent than with cards.
BNPL, offered at checkout by providers like Affirm, Klarna, Afterpay, and PayPal, lets you pay in installments with no interest if every payment is on time (longer-term monthly plans — Affirm's run 3 up to 60 months — do charge interest, 0-36% APR depending on the merchant and your credit, and behave more like an installment loan). The core differences from a credit card: a card is revolving — you can carry a balance, pay the minimum, and reuse the line — while a BNPL loan is closed-end, a single transaction with a fixed schedule. Standard pay-in-4 charges no interest if you're on time; a card charges 20-30% APR on any carried balance. Dispute rights also differ: cards carry Fair Credit Billing Act protections if a merchant fails to deliver, whereas BNPL dispute rights depend on the provider's own policies. The CFPB's 2024 interpretive rule would have extended card-style dispute rights to BNPL loans, but the Bureau withdrew it in May 2025 — so that gap is settled, not pending, and inconsistent bureau reporting remains a live concern the CFPB has flagged separately.
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